CN104564892A - Double-blade swing hydraulic motor for driving stabilizing rod - Google Patents
Double-blade swing hydraulic motor for driving stabilizing rod Download PDFInfo
- Publication number
- CN104564892A CN104564892A CN201510020862.5A CN201510020862A CN104564892A CN 104564892 A CN104564892 A CN 104564892A CN 201510020862 A CN201510020862 A CN 201510020862A CN 104564892 A CN104564892 A CN 104564892A
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- Prior art keywords
- output shaft
- front cover
- rotor blade
- end cover
- cylinder body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/12—Characterised by the construction of the motor unit of the oscillating-vane or curved-cylinder type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
Abstract
The invention relates to a double-blade swing hydraulic motor for a driving stabilizing rod. The double-blade swing hydraulic motor for the driving stabilizing rod comprises an output shaft, a cylinder body, a front end cover and a rear end cover, wherein stator blades are symmetrically arranged in the cylinder body, and rotor blades are symmetrically arranged on the output shaft; the stator blades and the cylinder body are of an integrated structure, and the rotor blades and the output shaft are of an integrated structure; oil cavity channels are formed in the two sides of each rotor blade so that oil cavities which are arranged in an opposite mode can be communicated; interior sealing devices are arranged in the middle of each stator blade and the middle of each rotor blade. Each interior sealing device comprises a leaf spring, a sealing frame and sealing sheets. The front end cover comprises oil ports, exhaust holes and a front end cover locating pin hole. Shaft sleeves, axial sealing devices, shaft step seals and dust rings are arranged in the front end cover and the rear end cover. Each axial sealing device comprises a wavy leaf spring, a conical gasket and a sealing ring. The double-blade swing hydraulic motor for the driving stabilizing rod is simple and compact in structure, small in size, light in weight and low in manufacturing cost, can ensure high-pressure sealing of the oil cavities, and can also meet the performance requirement of the driving stabilizing rod.
Description
Technical field
The invention belongs to technical field of vehicle safety, be specifically related to a kind of double-leaf rotary actuator for active stabilizer bar.
Background technique
Be necessary for for vehicular chassis system that driver provides best driving comfort, higher row sails Security and larger manipulation simplicity, wherein vehicle roll is one of key factor affecting travelling comfort and Security.As the important safety part of Motor Vehicle Independent Suspension System, active stabilizer bar is at automobile turning or can improve the stability of operation when meeting obstructions, and prevents vehicle body from excessive transverse direction occurring and rolls.Oil hydraulic motor, as the final controlling element of active stabilizer bar, at turn inside diameter or when meeting obstructions, drives oil hydraulic motor output torque to drive rear stabilizer to swing, to prevent body roll by hydraulic system.Oil hydraulic motor serves vital effect in the entire system, and the performance of oil hydraulic motor quality directly has influence on the travelling comfort and Security that active stabilizer bar can provide.
Active stabilizer bar operationally, only need by the reciprocally swinging in a certain angular range of half bar about fluid motor-driven, and double-leaf rotary actuator can meet this requirement just.At present, vane-type swaying motor, in order to ensure the sealing between hyperbaric chamber and low-pressure cavity, rotor and stator is all equipped with sliding seal component; And rotary seal element between output shaft and end cap, is equipped with in order to ensure the sealing between oil pocket and output shaft; But the leakage problem of double-leaf motor exactly appears at these sealing areas." vane-type swaying motor " technological scheme of patent No. ZL 90203233.X: stator is connected with front and rear cover with locating stud; Rotor is arranged on output shaft in corresponding groove, fastening with pin positioning screwn; With screw, protecgulum, bonnet and cylinder body are integrally connected; Stator oil resistant rubber or polyurethane sealing enclosed rectangular seal, rotor oil resistant rubber or polyurethane open type rectangular seal; Adopt bearings output shaft rotation; Although can alleviate the leakage problem of double-leaf motor to a certain extent, still there is high-pressure leakage problem, this motor nominal pressure is only 6.3MPa; And there is the problem that assembling is complicated, volume weight is excessive simultaneously, this motor can not be applied in active stabilizer bar.
As can be seen here, domestic Double-blade type rotary actuator ubiquity high-pressure leakage, the shortcoming such as bearing capacity is low and shock resistance is poor and weight is excessive.At present, still there is not a double-leaf rotary actuator being applicable to active stabilizer bar.
Summary of the invention
The deficiency that the present invention exists to overcome prior art, propose a kind of simple and compact for structure, volume weight is little, the double-leaf rotary actuator for active stabilizer bar of low cost of manufacture, to the sealing between hyperbaric chamber and low-pressure cavity and the sealing between oil pocket and output shaft can be ensured, meet the requirement of active stabilizer bar performance simultaneously.
The present invention is that technical solution problem adopts following technological scheme:
A kind of double-leaf rotary actuator for active stabilizer bar of the present invention, comprising: output shaft, cylinder body, front cover and rear end cover; Described output shaft is supported and fixed in described cylinder body by front cover and rear end cover; Described active stabilizer bar comprises left half bar of rear stabilizer and right half bar of rear stabilizer; The output shaft of described front cover side is welded by left half bar of sleeve and described rear stabilizer; Described rear end cover welds with right half bar of described rear stabilizer; Its structural feature is:
Stator vane is symmetrically arranged with in described cylinder body; Described stator vane and cylinder body are integral type structure; Described stator vane comprises the first stator vane and the second stator vane; Stator mounting groove is respectively arranged with in the neutral position of described stator vane; Described first stator vane offers block guide pin hole, and described block guide pin hole is used for the assembling of front cover and cylinder body;
Described output shaft is symmetrically arranged with rotor blade; Described rotor blade and output shaft are integral type structure; Described rotor blade comprises the first rotor blade and the second rotor blade; Rotor mounting groove is respectively arranged with in the neutral position of described rotor blade; The opposite side that the first oil cavity channel is through to described second rotor blade is offered in the side of described the first rotor blade; The side that the second oil cavity channel is through to described second rotor blade is offered at the opposite side of described the first rotor blade; Described first oil cavity channel and the second oil cavity channel are in the crossover location on described output shaft different cross section; By the stator vane cross assembly of the rotor blade of described output shaft and cylinder body, described cylinder interior is made to form four hydraulic fluid chambers; Described four hydraulic fluid chambers are made to form diagonal angle oil pocket connectivity structure respectively by described first oil cavity channel and the second oil cavity channel;
The outer side surface of described front cover runs through and is provided with the first hydraulic fluid port, the second hydraulic fluid port, first row pore and second row pore; The inner side surface of front cover is provided with the front cover positioning pin hole corresponding with described block guide pin hole site, utilizes locating stud to fix described front cover positioning pin hole and block guide pin hole, make described front cover and cylinder body form orientation assemble;
Inner sealing device is respectively arranged with in described stator mounting groove and rotor mounting groove; Described inner sealing device comprises: spring sheet, sealing frame, diaphragm seal; Described sealing frame is provided with between described two diaphragm seals; In described sealing frame, one or more spring sheet is installed; By described spring sheet in radial and axial pretightening force, described inner sealing device is made to form sealing configuration between adjacent hydraulic fluid chamber;
Axial sealer is respectively arranged with in the inner side surface of described front cover and rear end cover; Described axial sealer comprises: wavy spring sheet, taper washer and seal ring; Described wavy spring sheet is placed in inner side, is adjacent to described front cover and rear end cover inwall; Described seal ring is placed in outermost, is adjacent to rotor blade; Described taper washer is placed between described wavy spring sheet and seal ring; Utilize described wavy spring sheet in the pretightening force of axis, by described taper washer press seal ring and the gap between rotor blade and front and rear cover, make described axial sealer form described four sealing configurations between hydraulic fluid chamber and front and rear cover.
Double-leaf rotary actuator for active stabilizer bar of the present invention, its structural feature is also:
The output shaft second half section arranging side, described rear end cover place is hollow shaft.
Arrange after the output shaft of described front cover side and left half bar of rear stabilizer coordinate with described sleeve respectively by spline and be welded and fixed; Right half bar of described rear end cover and described rear stabilizer is set by being welded and fixed after spline fitted; Described front cover and rear end cover weld with described cylinder body respectively and coordinate.
Described sealing frame, diaphragm seal and seal ring adopt polytetrafluoroethylmaterial material.
Inside the axial sealer of described front cover and rear end cover, be respectively arranged with axle sleeve, the axle journal of described axle sleeve and output shaft forms cooperating structure, to support the opposing oscillatory of described output shaft and cylinder body.
Described axle sleeve can select copper sheathing, graphite copper sheathing or self lubrication bearing.
This special envelope of axle is respectively arranged with in the outer side surface of described front cover and rear end cover; Described output shaft and extraneous sealing configuration is formed with the matching relationship of output shaft neck with this special envelope of described axle.
There is dust ring at the axle of described front cover by this special envelope arranged outside, form dustproof construction with the matching relationship of described dust ring and output shaft.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention is by design inner sealing device, ensure that the sealing between hyperbaric chamber and low-pressure cavity; And by design axial sealer, ensure that the sealing between oil pocket and output shaft; Designed sealing device structure is simple, manufacture itself is low and can reach higher sealing effect, thus solves high-pressure leakage problem.
2, the present invention is by adopting stator vane and cylinder body integral structure and rotor blade and output shaft integral structure, to overcome in prior art between stator vane and cylinder body and leak, leak between rotor blade and output shaft and manufacture cost is high, assembling is complicated problem, thus making this motor eliminate between stator vane and cylinder body the problem of leaking, leaking between rotor blade and output shaft, assembling is simple simultaneously.
3, compared to existing technology in the mode of cylinder body with bolts and end cap, the present invention is connected with end cap welding manner by adopting cylinder body, such that motor radial dimension reduces, weight saving, while cylinder body and end cap between there is better sealing.
4, front cover of the present invention is designed with two exhaust ports, makes to realize gas purging effect in oil pocket.
5, the output shaft second half section of the present invention is designed for hollow shaft, under the condition ensureing output shaft intensity, significantly reduce overall weight.
6, the present invention is respectively arranged with axle sleeve in front cover and rear end cover, cooperating structure is formed with output shaft neck, to support the opposing oscillatory of described output shaft and cylinder body, adopt the scheme of rolling bearing in hinge structure, such that this motor compact overall structure is simple, radial dimension reduces, weight saving.
7, the present invention is because having the design of higher sealing and overall compact structure, makes the double-leaf motor of this motor hinge structure, under the prerequisite of more light weight, smaller szie, can provide larger Driving Torque; Thus active stabilizer bar performance requirement can be met, be applicable to various active stabilizer bar; For the outer cylinder diameter motor of 85mm of the present invention, this motor total quality is only 4.3kg; Under 18MPa oil pressure, motor can provide 800Nm torque.
Accompanying drawing explanation
Fig. 1 is double-leaf rotary actuator of the present invention assembling schematic diagram;
Fig. 2 is double-leaf rotary actuator transverse sectional view of the present invention;
Fig. 3 a is motor front cover outer side surface stereogram of the present invention;
Fig. 3 b is motor front cover inner side surface stereogram of the present invention;
Fig. 4 is motor output shaft schematic diagram of the present invention;
Fig. 5 is motor oil pocket access diagram of the present invention;
Fig. 6 is motor cylinder schematic diagram of the present invention;
Fig. 7 is motor internal seal arrangement schematic diagram of the present invention;
Fig. 8 is motor axial sealer schematic diagram of the present invention;
Sequence number in figure: 1 output shaft; 2 dust rings; This special envelope of 3a front axle; This special envelope of 3b rear axle; 4 front covers; 5 locating studs; 6 cylinder bodies; Axial sealer before 7a; Axial sealer after 7a; 8a front shaft sleeve; 8b rear axle housing; 9 rear end covers; Left half bar of 10 rear stabilizers; 11 sleeves; Right half bar of 12 rear stabilizers; 13a first hydraulic fluid port; 13b second hydraulic fluid port; 14a first row pore; 14b second row pore; 15 front cover positioning pin holes; 16a the first rotor blade; 16b second rotor blade; 17a first stator vane; 17b second stator vane; 18a first hydraulic fluid chamber; 18b second hydraulic fluid chamber; 18c the 3rd hydraulic fluid chamber; 18d the 4th hydraulic fluid chamber; 19a first mounting groove; 19b second mounting groove; 19c the 3rd mounting groove; 19d the 4th mounting groove; 20 block guide pin holes; 21a first oil cavity channel; 21b second oil cavity channel; 22a first inner sealing device; 22b second inner sealing device; 22c the 3rd inner sealing device; 22d the 4th inner sealing device; 23 spring sheets; 24 sealing frames; 25a first diaphragm seal; 25b second diaphragm seal; 26 wavy spring sheets; 27 taper washers; 28 seal rings.
Embodiment
In the present embodiment, see Fig. 1, a kind of double-leaf rotary actuator for active stabilizer bar, comprising: output shaft 1, cylinder body 6, front cover 4 and rear end cover 9; Output shaft 1 is supported and fixed in cylinder body 6 by front cover 4 and rear end cover 9; Active stabilizer bar comprises left half bar 10 of rear stabilizer and right half bar 12 of rear stabilizer; The output shaft 1 of front cover 4 side is welded by left half bar 10 of sleeve 11 and rear stabilizer; Rear end cover 9 welds with right half bar 12 of rear stabilizer, thus makes double-leaf rotary actuator that output shaft 1 and rear end cover 9 can be utilized to drive left half bar 10 of rear stabilizer and right half bar 12 relative movement of rear stabilizer;
See Fig. 6, in cylinder body 6, be symmetrically arranged with stator vane; Stator vane and cylinder body 6 are integral type structure; Stator vane comprises the first stator vane 17a and the second stator vane 17b; Be respectively arranged with stator mounting groove in the neutral position of stator vane, stator mounting groove comprises the first mounting groove 19a and the second mounting groove 19b; First stator vane 17a offers block guide pin hole 20, and block guide pin hole 20 is for the assembling of front cover 4 and cylinder body 6;
See Fig. 2, Fig. 4 and Fig. 5, output shaft 1 is symmetrically arranged with rotor blade; Rotor blade and output shaft 1 are integral type structure; Rotor blade comprises the first rotor blade 16a and the second rotor blade 16b; Be respectively arranged with rotor mounting groove in the neutral position of rotor blade, rotor mounting groove comprises the 3rd mounting groove 19c and the 4th mounting groove 19d; The opposite side that the first oil cavity channel 21a is through to the second rotor blade 16b is offered in the side of the first rotor blade 16a; The side that the second oil cavity channel 21b is through to the second rotor blade 16b is offered at the opposite side of the first rotor blade 16a; Thus make the first oil cavity channel 21a and the second oil cavity channel 21b be in crossover location on output shaft 1 different cross section; By the stator vane cross assembly of the rotor blade of output shaft 1 and cylinder body 6, cylinder body 6 inside is made to form four hydraulic fluid chambers; Four hydraulic fluid chambers comprise: the first hydraulic fluid chamber 18a, the second hydraulic fluid chamber 18b, the 3rd hydraulic fluid chamber 18c and the 4th hydraulic fluid chamber 18d; Four hydraulic fluid chambers are made to form diagonal angle oil pocket connectivity structure respectively by the first oil cavity channel 21a and the second oil cavity channel 21b; Output shaft 1 second half section arranging side, rear end cover 9 place is hollow shaft, under the condition ensureing output shaft intensity, significantly reduce overall weight;
See Fig. 3 a, the outer side surface of front cover 4 runs through and is provided with the first hydraulic fluid port 13a, the second hydraulic fluid port 13b, first row pore 14a and second row pore 14b; See Fig. 3 b, the inner side surface of front cover 4 is provided with the front cover positioning pin hole 15 corresponding with position, block guide pin hole 20, utilize locating stud 5 to coordinate in front cover positioning pin hole 15 and block guide pin hole 20, make front cover 4 and cylinder body 6 form orientation assemble; Thus make the first hydraulic fluid port 13a and the second hydraulic fluid port 13b lay respectively at the both sides of the first stator vane 17a; First hydraulic fluid port 13a is communicated with the second hydraulic fluid chamber 18b with the first hydraulic fluid chamber 18a respectively with the second hydraulic fluid port 13b; First row pore 14a and second row pore 14b lays respectively at the both sides of the second stator vane 17b; First row pore 14a is communicated with the 4th hydraulic fluid chamber 18d with the 3rd hydraulic fluid chamber 18c respectively with second row pore 14b;
See Fig. 2 and Fig. 7, in stator mounting groove and rotor mounting groove, be respectively arranged with inner sealing device; Inner sealing device comprises: spring sheet 23, sealing frame 24, diaphragm seal (comprising the first diaphragm seal 25a and the second diaphragm seal 25b); Sealing frame 24 is provided with between the first diaphragm seal 25a and the second diaphragm seal 25b; One or more spring sheet 23 is installed in sealing frame 24, forms elastic sealing elements structure to make sealing frame; This inner sealing device is pressed in stator mounting groove and rotor mounting groove respectively, by spring sheet 23 in radial and axial pretightening force, makes inner sealing device form sealing configuration between adjacent hydraulic fluid chamber;
See Fig. 1 and Fig. 8, in the inner side surface of front cover 4 and rear end cover 9, be respectively arranged with axial sealer (comprising front axial sealer 7a and rear axial sealer 7b); Any one axial sealer comprises: wavy spring sheet 26, taper washer 27 and seal ring 28; Wavy spring sheet 26 is placed in inner side, is adjacent to described front cover 4 and rear end cover 9 inwall; Seal ring 28 is placed in outermost, is adjacent to rotor blade; Taper washer 27 is placed between wavy spring sheet 26 and seal ring 28; Utilize wavy spring sheet 26 in the pretightening force of axis, by taper washer 27 press seal ring 28 and the gap between rotor blade and front and rear cover, make axial sealer form four sealing configurations between hydraulic fluid chamber and front and rear cover;
See Fig. 7 and Fig. 8, sealing frame 24, diaphragm seal and seal ring 28 adopts the polytetrafluoroethylmaterial material with good slipper seal characteristic;
See Fig. 1, arrange after the output shaft 1 of front cover 4 side and left half bar 10 of rear stabilizer coordinate with sleeve 11 respectively by spline and be welded and fixed; Rear end cover 9 is set with right half bar 12 of rear stabilizer by being welded and fixed after spline fitted; Front cover 4 and rear end cover 9 weld with cylinder body 6 respectively and coordinate, and make the reduction of motor radial dimension, weight saving, have better sealing simultaneously between cylinder body and end cap;
See Fig. 1, inside the axial sealer of front cover 4 and rear end cover 9, be respectively arranged with axle sleeve, comprise front shaft sleeve 8a and rear axle housing 8b; The axle journal of axle sleeve and output shaft 1 forms cooperating structure, to support the opposing oscillatory of output shaft 1 and cylinder body 6; Axle sleeve can select copper sheathing, graphite copper sheathing or self lubrication bearing;
See Fig. 1, in the outer side surface of front cover 4 and rear end cover 9, be respectively arranged with this special envelope of axle, comprise this special envelope 3a of front axle and this special envelope 3b of rear axle; Output shaft 1 and extraneous sealing configuration is formed with the matching relationship of output shaft 1 axle journal with this special envelope of axle; There is dust ring 2 at the axle of front cover 4 by this special envelope arranged outside, form dustproof construction with dust ring 2 and the matching relationship of output shaft 1, thus reach the assorted effect of preventing dust.
Working principle is as follows:
The present invention provides oil pressure by hydraulic system, when the first hydraulic fluid port 13a connects high-pressure oil passage, when second hydraulic fluid port 13b connects low pressure oil way, high pressure oil enters the first hydraulic fluid chamber 18a from the first hydraulic fluid port 13a, enter the 3rd hydraulic fluid chamber 18c through the first oil cavity channel 21a, namely the first hydraulic fluid chamber 18a and the 3rd hydraulic fluid chamber 18c forms high-voltage oil cavity; The the second hydraulic fluid chamber 18b being communicated with the second hydraulic fluid port 13b and the 4th hydraulic fluid chamber 18d be communicated with by the second oil cavity channel 21b forms low pressure oil pocket; Opposed oil pocket pressure is identical, and adjacent oil pocket produces pressure difference, and adjacent oil pocket pressure difference drives rotor blade clockwise oscillation, namely makes output shaft and cylinder body produce relative torsion and realizes oil hydraulic motor swing effect; When the first hydraulic fluid port 13a connects low pressure oil way, when the second hydraulic fluid port 13b connects high-pressure oil passage, then can drive rotor blade counter-clockwise swing, namely make output shaft and cylinder body produce relative turn-back function.
Claims (8)
1. for a double-leaf rotary actuator for active stabilizer bar, comprising: output shaft (1), cylinder body (6), front cover (4) and rear end cover (9); Described output shaft (1) is supported and fixed in described cylinder body (6) by front cover (4) and rear end cover (9); Described active stabilizer bar comprises left half bar (10) of rear stabilizer and right half bar (12) of rear stabilizer; The output shaft (1) of described front cover (4) side is welded by left half bar (10) of sleeve (11) and described rear stabilizer; Described rear end cover (9) welds with right half bar (12) of described rear stabilizer; It is characterized in that:
Stator vane is symmetrically arranged with in described cylinder body (6); Described stator vane and cylinder body (6) are integral type structure; Described stator vane comprises the first stator vane (17a) and the second stator vane (17b); Stator mounting groove is respectively arranged with in the neutral position of described stator vane; Described first stator vane (17a) offers block guide pin hole (20), and described block guide pin hole (20) is for the assembling of front cover (4) and cylinder body (6);
(1) is symmetrically arranged with rotor blade to described output shaft; Described rotor blade and output shaft (1) are integral type structure; Described rotor blade comprises the first rotor blade (16a) and the second rotor blade (16b); Rotor mounting groove is respectively arranged with in the neutral position of described rotor blade; The opposite side that the first oil cavity channel (21a) is through to described second rotor blade (16b) is offered in the side of described the first rotor blade (16a); The side that the second oil cavity channel (21b) is through to described second rotor blade (16b) is offered at the opposite side of described the first rotor blade (16a); Described first oil cavity channel (21a) and the second oil cavity channel (21b) are in the crossover location on described output shaft (1) different cross section; By the stator vane cross assembly of the rotor blade of described output shaft (1) and cylinder body (6), described cylinder body (6) inside is made to form four hydraulic fluid chambers; Described four hydraulic fluid chambers are made to form diagonal angle oil pocket connectivity structure respectively by described first oil cavity channel (21a) and the second oil cavity channel (21b);
The outer side surface of described front cover (4) runs through and is provided with the first hydraulic fluid port (13a), the second hydraulic fluid port (13b), first row pore (14a) and second row pore (14b); The inner side surface of front cover (4) is provided with the front cover positioning pin hole (15) corresponding with described block guide pin hole (20) position, utilize the fixing described front cover positioning pin hole (15) of locating stud (5) and block guide pin hole (20), make described front cover (4) and cylinder body (6) form orientation assemble;
Inner sealing device is respectively arranged with in described stator mounting groove and rotor mounting groove; Described inner sealing device comprises: spring sheet (23), sealing frame (24), diaphragm seal; Described sealing frame (24) is provided with between described two diaphragm seals; One or more spring sheet (23) is installed in described sealing frame (24); By described spring sheet (23) in radial and axial pretightening force, described inner sealing device is made to form sealing configuration between adjacent hydraulic fluid chamber;
Axial sealer is respectively arranged with in the inner side surface of described front cover (4) and rear end cover (9); Described axial sealer comprises: wavy spring sheet (26), taper washer (27) and seal ring (28); Described wavy spring sheet 26 is placed in inner side, is adjacent to described front cover 4 and rear end cover 9 inwall; Described seal ring 28 is placed in outermost, is adjacent to rotor blade; Described taper washer (27) is placed between described wavy spring sheet (26) and seal ring (28); Utilize described wavy spring sheet (26) in the pretightening force of axis, by described taper washer (27) press seal ring (28) and the gap between rotor blade and front and rear cover, described axial sealer is made to form described four sealing configurations between hydraulic fluid chamber and front and rear cover.
2. the double-leaf rotary actuator for active stabilizer bar according to claim 1, is characterized in that: output shaft (1) second half section arranging described rear end cover (9) side, place is hollow shaft.
3. the double-leaf rotary actuator for active stabilizer bar according to claim 1, is characterized in that: arrange after the output shaft (1) of described front cover (4) side and left half bar (10) of rear stabilizer coordinate with described sleeve (11) respectively by spline and be welded and fixed; Described rear end cover (9) is set with right half bar (12) of described rear stabilizer by being welded and fixed after spline fitted; Described front cover (4) and rear end cover (9) weld with described cylinder body (6) respectively and coordinate.
4. the double-leaf rotary actuator for active stabilizer bar according to claim 1, is characterized in that: described sealing frame (24), diaphragm seal and seal ring (28) adopt polytetrafluoroethylmaterial material.
5. the double-leaf rotary actuator for active stabilizer bar according to claim 1, it is characterized in that: inside the axial sealer of described front cover (4) and rear end cover (9), be respectively arranged with axle sleeve, the axle journal of described axle sleeve and output shaft (1) forms cooperating structure, to support the opposing oscillatory of described output shaft (1) and cylinder body (6).
6. the double-leaf rotary actuator for active stabilizer bar according to claim 5, is characterized in that: described axle sleeve can select copper sheathing, graphite copper sheathing or self lubrication bearing.
7. the double-leaf rotary actuator for active stabilizer bar according to claim 1, is characterized in that: in the outer side surface of described front cover (4) and rear end cover (9), be respectively arranged with this special envelope of axle; Described output shaft (1) and extraneous sealing configuration is formed with the matching relationship of output shaft (1) axle journal with this special envelope of described axle.
8. the double-leaf rotary actuator for active stabilizer bar according to claim 1 or 7, it is characterized in that: have dust ring (2) at the axle of described front cover (4) by this special envelope arranged outside, form dustproof construction with described dust ring (2) and the matching relationship of output shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510020862.5A CN104564892B (en) | 2015-01-15 | 2015-01-15 | A kind of twayblade rotary actuator for active stabilizer bar |
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| CN201510020862.5A CN104564892B (en) | 2015-01-15 | 2015-01-15 | A kind of twayblade rotary actuator for active stabilizer bar |
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| CN104564892A true CN104564892A (en) | 2015-04-29 |
| CN104564892B CN104564892B (en) | 2017-01-04 |
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| CN106499690A (en) * | 2016-11-01 | 2017-03-15 | 北京航空航天大学 | A kind of hydraulic swing motor of frame-type sealing |
| CN107246423A (en) * | 2017-06-23 | 2017-10-13 | 武汉科技大学 | A kind of vane type oscillating hydraulic cylinder with totally-enclosed cage sealing system |
| CN107605844A (en) * | 2017-11-01 | 2018-01-19 | 中科新松有限公司 | A kind of rotating hydraulic cylinder |
| CN108506268A (en) * | 2018-03-02 | 2018-09-07 | 北京航空航天大学 | Limited pivot angle rotating hydraulic actuator with integrated sealing structure |
| CN108749952A (en) * | 2018-08-16 | 2018-11-06 | 西南科技大学 | A kind of robot leg |
| CN109356848A (en) * | 2018-11-08 | 2019-02-19 | 周琦人 | Sliding-vane air compressor |
| CN113309757A (en) * | 2021-05-07 | 2021-08-27 | 南京晨光集团有限责任公司 | Heavy-load mechanical arm high-precision large-torque low-friction hydraulic swing motor |
| CN113765269A (en) * | 2020-06-03 | 2021-12-07 | 上海逸思医疗科技股份有限公司 | Motor sealing device |
| CN114046285A (en) * | 2021-10-14 | 2022-02-15 | 武汉船用机械有限责任公司 | Hydraulic oil cylinder |
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| CN106499690A (en) * | 2016-11-01 | 2017-03-15 | 北京航空航天大学 | A kind of hydraulic swing motor of frame-type sealing |
| CN107246423A (en) * | 2017-06-23 | 2017-10-13 | 武汉科技大学 | A kind of vane type oscillating hydraulic cylinder with totally-enclosed cage sealing system |
| CN107246423B (en) * | 2017-06-23 | 2019-06-07 | 武汉科技大学 | A kind of vane type oscillating hydraulic cylinder with totally-enclosed cage sealing system |
| CN107605844A (en) * | 2017-11-01 | 2018-01-19 | 中科新松有限公司 | A kind of rotating hydraulic cylinder |
| CN107605844B (en) * | 2017-11-01 | 2023-08-29 | 中科新松有限公司 | Rotary hydraulic cylinder |
| CN108506268B (en) * | 2018-03-02 | 2019-06-04 | 北京航空航天大学 | Limited pivot angle rotating hydraulic actuator with integrated sealing structure |
| CN108506268A (en) * | 2018-03-02 | 2018-09-07 | 北京航空航天大学 | Limited pivot angle rotating hydraulic actuator with integrated sealing structure |
| CN108749952A (en) * | 2018-08-16 | 2018-11-06 | 西南科技大学 | A kind of robot leg |
| CN109356848A (en) * | 2018-11-08 | 2019-02-19 | 周琦人 | Sliding-vane air compressor |
| CN113765269A (en) * | 2020-06-03 | 2021-12-07 | 上海逸思医疗科技股份有限公司 | Motor sealing device |
| WO2021244507A1 (en) * | 2020-06-03 | 2021-12-09 | 上海逸思医疗科技股份有限公司 | Sealing device for electric motor |
| CN113309757A (en) * | 2021-05-07 | 2021-08-27 | 南京晨光集团有限责任公司 | Heavy-load mechanical arm high-precision large-torque low-friction hydraulic swing motor |
| CN114046285A (en) * | 2021-10-14 | 2022-02-15 | 武汉船用机械有限责任公司 | Hydraulic oil cylinder |
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